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... invented and introduced by Dupont with two main types: PA 6 and PA 6.6; In Filtration Industry, PA 6 is known as nylon or polyamide, widely seen application in ......
... by sakichi Toyoda, who invented the first mechanical loom in 1897. About 30 years later, in 1929, he designed an automatic loom. Later, he sold the patent right to a British company. Then, Toyota acquired t...